/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Mechanics/CubeGrid.h
virtual bool GetHitGridFaceBasedOnRay ( const FVector3d & WorldHitPoint, const FVector3d & NormalOrTowardCameraRay, [FCubeGrid::FCubeFace](API\Plugins\ModelingComponents\Mechanics\FCubeGrid\FCubeFace) & FaceOut, bool bPierceToBack, double PlaneTolerance ) const